Dave Spencer oral history interview with Jim King and Bruce Conant. Transcriber's note: difficult at times to hear and understand Dave – unfortunately, Dave passed away before the tapes were transcribed and he had a chance to edit.

This training video is designed for technicians and biologists who are sampling wetlands to determine the percentage of abnormal-appearing frogs, primarily at USFWS National Wildlife Refuges.
The purpose of this video is to show the proper survey...